java.lang.UnsupportedClassVersionError: dbfit/PostgresTest : Unsupported major.minor version 51.0

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via Google Groups by Marcus Haebler

Update "latest" to Java 8 on DockerHub.

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This might be caused by and outdated version of Java, SonarQube now uses Java 8 as default. You might upgrade java or use an older version of SonarQube.

Solutions on the web

via GitHub by elephant33
, 1 year ago
dbfit/PostgresTest : Unsupported major.minor version 51.0
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, 2 years ago
TimeClient : Unsupported major.minor version 51.0
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, 1 year ago
gov/nasa/xpc/XPlaneConnect : Unsupported major.minor version 51.0
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, 1 year ago
org/opensim/modeling/Model : Unsupported major.minor version 51.0
via GitHub by chrisdembia
, 1 year ago
org/opensim/modeling/Model : Unsupported major.minor version 51.0
via Stack Overflow by user1047260
, 2 years ago
WordCountReducer : Unsupported major.minor version 51.0
java.lang.UnsupportedClassVersionError: dbfit/PostgresTest : Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at fit.FixtureLoader.loadFixtureClass(FixtureLoader.java:67)
at fit.FixtureLoader.instantiateFixture(FixtureLoader.java:60)
at fit.FixtureLoader.instantiateFirstValidFixtureClass(FixtureLoader.java:84)
at fit.FixtureLoader.disgraceThenLoad(FixtureLoader.java:44)
at fit.Fixture.loadFixture(Fixture.java:142)
at fit.Fixture.getLinkedFixtureWithArgs(Fixture.java:134)
at fit.Fixture.doTables(Fixture.java:79)
at fit.FitServer.process(FitServer.java:81)
at fit.FitServer.run(FitServer.java:56)
at fit.FitServer.main(FitServer.java:41)

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